Home / 47,815,970.40-71,716,256.64-13,729,563.36

Finding the Fourth Proportional to 47,815,970.40, 71,716,256.64 and 13,729,563.36

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Solution

The fourth proportional to 47,815,970.40, 71,716,256.64 and 13,729,563.36 is: 20,592,134.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,815,970.40 : 71,716,256.64 = 13,729,563.36 : x
  2. Step 2: Convert to fraction form
    47,815,970.40/71,716,256.64 = 13,729,563.36/x
  3. Step 3: Cross multiply
    47,815,970.40x = 71,716,256.64 × 13,729,563.36
  4. Step 4: Simplify right side
    47,815,970.40x = 984,632,889,480,900.62
  5. Step 5: Solve for x
    x = 984,632,889,480,900.62/47,815,970.40
  6. Step 6: Final answer
    x = 20,592,134.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.